[Q] changing number in Whatsapp Plus

Hello,
Next week I'm traveling to different country so I'll change my phone number to new Sim, the Sim is a global but made from Belgium.
In Whatsapp plus there is an option to change the number, but I checked the if the app will work with the second number without using this option ant it works very well-I received messages that sent to my first Sim in the app while Sim number 2 was in the phone.

Hello,
Next week I'm traveling to different country so I'll change my phone number to new Sim, the Sim is a global but made from Belgium.
In Whatsapp plus there is an option to change the number, but I checked the if the app will work with the second number without using this option ant it works very well-I received messages that sent to my first Sim in the app while Sim number 2 was in the phone.

Would it work the same way when I'll be traveling?

Sincerely,

SIM is not used for WhatsApp to work - it is only used to validate your installation ONCE only. After that WhatsApp just uses any Internet connection you have available - Wifi or any other via any SIM Card in the device. You can also pull out the original SIM and use it elsewhere for plain telephony.

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